21470543010210 has 32 divisors (see below), whose sum is σ = 58890632257152. Its totient is φ = 4907552688000.

The previous prime is 21470543010143. The next prime is 21470543010229. The reversal of 21470543010210 is 1201034507412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51120340291 + ... + 51120340710.

It is an arithmetic number, because the mean of its divisors is an integer number (1840332258036).

Almost surely, 2^{21470543010210} is an apocalyptic number.

21470543010210 is an abundant number, since it is smaller than the sum of its proper divisors (37420089246942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21470543010210 is a wasteful number, since it uses less digits than its factorization.

21470543010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102240681018.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 21470543010210 its reverse (1201034507412), we get a palindrome (22671577517622).

The spelling of 21470543010210 in words is "twenty-one trillion, four hundred seventy billion, five hundred forty-three million, ten thousand, two hundred ten".